Sweatband



FIG. 1 is a perspective view showing the new design for a sweatband;

FIG. 2 is a back view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of the headband depicts the environment of the claimed design and forms no part thereof. The broken lines along the sweatband depict features that form no part of the claimed design. 

CLAIM The ornamental design for a sweatband, as shown and described. 